Function createButton

ui/media/js/main.js:560–605

(btnInfo)

                redoBuffer: imageRedoBuffer,
            }
            const createButton = function (btnInfo) {
                if (Array.isArray(btnInfo)) {
                    const wrapper = document.createElement("div")
                    btnInfo.map(createButton).forEach((buttonElement) => wrapper.appendChild(buttonElement))
                    return wrapper
                }

                const isLabel = btnInfo.type === "label"

                const newButton = document.createElement(isLabel ? "span" : "button")
                newButton.classList.add("tasksBtns")

                if (btnInfo.html) {
                    const html = typeof btnInfo.html === "function" ? btnInfo.html() : btnInfo.html
                    if (html instanceof HTMLElement) {
                        newButton.appendChild(html)
                    } else {
                        newButton.innerHTML = html
                    }
                } else {
                    newButton.innerText = typeof btnInfo.text === "function" ? btnInfo.text() : btnInfo.text
                }

                if (btnInfo.on_click || !isLabel) {
                    newButton.addEventListener("click", function (event) {
                        btnInfo.on_click.bind(newButton)(req, img, event, tools)
                    })
                    if (btnInfo.on_click === onUndoFilter) {
                        tools["undoButton"] = newButton
                        newButton.classList.add("displayNone")
                    }
                    if (btnInfo.on_click === onRedoFilter) {
                        tools["redoButton"] = newButton
                        newButton.classList.add("displayNone")
                    }
                }

                if (btnInfo.class !== undefined) {
                    if (Array.isArray(btnInfo.class)) {
                        newButton.classList.add(...btnInfo.class)
                    } else {
                        newButton.classList.add(btnInfo.class)
                    }
                }
                return newButton
            }
            buttons.forEach((btn) => {
                if (Array.isArray(btn)) {
                    btn = btn.filter((btnInfo) => !btnInfo.filter || btnInfo.filter(req, img) === true)